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PREPAID EXPENSES AND OTHER CURRENT ASSETS
 9 Months Ended
Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other Current Assets PREPAID EXPENSES AND OTHER CURRENT ASSETS
Prepaid expenses and other current assets as of September 30, 2020 and December 31, 2019 consisted of the following (in thousands):
September 30, 2020December 31, 2019
Prepaid expenses$9,612 $10,188 
Other current assets8,978 4,008 
Total prepaid expenses and other current assets$18,590 $14,196 
As of September 30, 2020, other current assets consisted primarily of $4.7 million of income tax and payroll tax receivables.